1. Bluetooth version: V5.3
2. Playing time: 10h
3. Battery capacity: 300mAh+110mAh
4. Frequency response: 20Hz-20KHz
5. Rated power: 5mW
6. Driver unit: 16mm
7. Input: 5V/1A
8. Standby time: 100h
9. Charging time: 1.3h
10. Digital power display, the power is clear at a glance
11. 16mm super loudspeaker, restore CD-level sound quality
12. Ergonomic design, fits the ear shape, and feels comfortable to wear